When I try to run GPO as a plugin by running NI Garritan Personal Orchestra, I get the message "acess violation at address 77C32E7B in module ntdll.dll".

I haven't registered GPO on this machine yet (it's my second installation) but it has not yet been the full 30 days.

Last night the plugin was working.

Today I tried running it from the VST but it brought me the message "Problem loading PersonOrchestraVST for an unknown reason, please make sure it has been installed correctly."

Any thoughts as to what is wrong?

Also, when I run the program as a standalone .midi controller, I get an error screen.

Problem signature:
Problem Event Name: APPCRASH
Application Name: PersonalOrchestra.exe
Application Version:
Application Timestamp: 42a04398
Fault Module Name: ntdll.dll
Fault Module Version: 6.0.6000.16386
Fault Module Timestamp: 4549bdc9
Exception Code: c0000005
Exception Offset: 00042e7b
OS Version: 6.0.6000.
Locale ID: 1033
Additional Information 1: cb6f
Additional Information 2: c36cb1256d064b144b66e2abc9e0ff19
Additional Information 3: 1473
Additional Information 4: 127257bed21a5c76fadbb24e7931ee77

If it helps, I use Windows Vista.